Four words in a Hank Green video—“I appreciate the pushback”—were enough to make some viewers suspect the voice of artificial ...

This behaviour may shed light on one of the defining features of our own species: our extraordinary relationships with other ...

One in six people are thought to experience loneliness, and that can have a serious knock-on effect on their mental and ...

This new cache of material includes footage of a U.S. military plane’s infrared display recorded during an exercise over the ...

Christina Greene is a senior social scientist in the Arizona Institute for Resilience, University of Arizona Subscribe to Scientific American to learn and share the most exciting discoveries, ...

Sarah Njeri is a reader in peacebuilding, humanitarian action and conflict at the SOAS, University of London Subscribe to Scientific American to learn and share the most exciting discoveries, ...